Montgomery's mayor shut the club down. The city had given Centennial Hill repeated warnings, Todd Strange said in a statement.

"I believe it is not a matter of 'if,' but 'when' the next tragic incident occurs at this business," he said. "That is unacceptable, and that is why we have ordered the business to be closed effective immediately."

Music of sorrow

Doe B's musician friends and compatriots poured out their hearts on Twitter.

"He was just getting started.... The future was so bright... I would have told you thank you. Rest in peace," manager White posted.

"Clubs keep lettin guns in the club as if that's not where we as artists work. We got families to go home to, f--- is wrong with y'all," said artist Machine Gun Kelly.